Study on High Speed Dissolution Process for Iridium Using Molten Salt Electrolysis

2013 Fiscal Year Final Research Report

• Project/Area Number: 24760613
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Metal making engineering
• Research Institution: The University of Tokyo
• Principal Investigator: NOSE Katsuhiro 東京大学, 生産技術研究所, 特任助教 (50572476)
• Project Period (FY): 2012-04-01 – 2014-03-31
• Keywords: イリジウム / 白金族金属 / アノード溶解 / リサイクル / 溶融塩

Research Abstract

Conventional recycling process for iridium using hydrometallurgical process requires long processing time for its dissolution. Moreover, there is a problem of detoxification treatment for waste water containing strong oxidizing acid. From these background, with the aim of development of high-speed dissolution process using electrolysis of iridium in a high temperature molten salt, fundamental study using a chloride molten salt was conducted. Fundamental properties of electrolysis regarding anodic dissolution behaviors such as current density and current efficiency were investigated.

Research Products

• [Journal Article] レアメタルの供給や需要に関する今後の展望 (2013)
  • Author(s): 野瀬勝弘、岡部徹
  • Journal Title: 金属,株式会社アグネ技術センター Volume: vol.83, no.11 Pages: 943-949
• [Journal Article] レアメタルの現状と問題点 (2012)
  • Author(s): 野瀬勝弘、岡部徹
  • Journal Title: 表面技術,一般社団法人表面技術協会 Volume: vol.63, no.10 Pages: 618-624
  • Peer Reviewed
• [Journal Article] 白金族金属の資源とリサイクルプロセス (2012)
  • Author(s): 野瀬勝弘、岡部徹
  • Journal Title: 三洋化成ニュース,三洋化成工業株式会社 Volume: vol.夏, no.473 Pages: 14-18
• [Journal Article] 環境保全に役立つ白金族の資源と回収 (2012)
  • Author(s): 野瀬勝弘、岡部徹
  • Journal Title: 工業材料,株式会社日刊工業出版プロダクション Volume: vol.60, no.6 Pages: 28-32
• [Presentation] 貴金属の環境調和型リサイクル技術の開発 (2014)
  • Author(s): 岡部徹、野瀬勝弘、谷ノ内勇樹
  • Organizer: 資源・素材学会平成26年度春季大会
  • Place of Presentation: 東京大学生産技術研究所(oral)
  • Year and Date: 2014-03-27
• [Presentation] Fundamental Study on Anodic Dissolution Process of Platinum Group Metals in Molten Salt (2014)
  • Author(s): K. Nose, T. H. Okabe
  • Organizer: The 9th Workshop on Reactive Metal Processing (RMW9)
  • Place of Presentation: Caltech, Pasadena, CA, USA(oral)
  • Year and Date: 2014-02-21
• [Presentation] Fundamental study on new dissolution process for platinum group metals using molten salt electrolysis (2014)
  • Author(s): K. Nose , T. H. Okabe
  • Organizer: 2014 TMS Annual Meeting & Exhibition
  • Place of Presentation: San Diego Convention Center, CA, USA(oral)
  • Year and Date: 2014-02-18
• [Presentation] 白金族金属の新規溶解プロセスの開発 (2014)
  • Author(s): 野瀬勝弘、岡部徹
  • Organizer: 貴金属の製錬・リサイクル技術の最前線(貴金属シンポジウム)
  • Place of Presentation: 東京大学生産技術研究所
  • Year and Date: 2014-01-10
• [Presentation] 溶融塩電解を利用した白金族金属の新規溶解プロセスの基礎的研究 (2013)
  • Author(s): 野瀬勝弘、岡部徹
  • Organizer: 第55回レアメタル研究会
  • Place of Presentation: 東京大学生産技術研究所(poster)
  • Year and Date: 2013-03-22
• [Presentation] Fundamental Study on Anodic Dissolution Behavior of Platinum Group Metals in NaCl-KCl Fused Salt (2013)
  • Author(s): K. Nose, T. H. Okabe
  • Organizer: The 8th Workshop on Reactive Metal Processing
  • Place of Presentation: MIT, Cambridge, MA, USA(poster)
  • Year and Date: 2013-03-08
• [Presentation] Fundamental study on anodic dissolution behavior of platinum group metals (2013)
  • Author(s): K. Nose, T. H. Okabe
  • Organizer: 2013 TMS Annual Meeting & Exhibition
  • Place of Presentation: Henry B. Gonzalez Convention Center, San Antonio, TX, USA(oral)
  • Year and Date: 2013-03-04
• [Presentation] Development of Environmental Sound Recycling Process for Platinum Group Metals (2012)
  • Author(s): K. Nose, T. H. Okabe
  • Organizer: The 1st KOREA-JAPAN Symposium on Rare Metals Recycling & The 3rd Rare Metal Industry Development Forum
  • Place of Presentation: Hotel President, Brahms Hall (19th floor), Seoul, Korea(oral)
  • Year and Date: 2012-10-30
• [Presentation] Development of environmentally sound recycling process for platinum group metals (2012)
  • Author(s): K. Nose, T. H. Okabe
  • Organizer: International Union of Materials Research Societies–International Conference on Electronic Materials 2012 (IUMRS-ICEM2012)
  • Place of Presentation: Pacifico Yokohama(oral)
  • Year and Date: 2012-09-27
• [Presentation] 白金族金属のアノード溶解に関する基礎的研究 (2012)
  • Author(s): 野瀬勝弘、岡部徹
  • Organizer: 平成24年度資源・素材関係学協会合同秋季大会
  • Place of Presentation: 秋田大学手形キャンパス(oral)
  • Year and Date: 2012-09-13
• [Book] "化学便覧応用化学編第7版",[編集]日本化学会III編無機化学品/材料13章金属材料, 13.6レアメタルの資源と用途 (2014)
  • Author(s): 岡部徹,野瀬勝弘
  • Total Pages: 776-781 (全1766頁)
  • Publisher: 日本化学会,丸善出版株式会社,東京(ISBN : 9784621087596)
• [Book] "Treatise on Process Metallurgy, Volume 3: Industrial Processes",[Chief in Editor]Seshadri Seetharaman,2.10 Platinum Group Metals Production (2013)
  • Author(s): K. Nose, T. H. Okabe
  • Total Pages: 1071-1097 (全3185頁)
  • Publisher: Elsevier, UK(ISBN : 9780080969886, 全3冊)
• [Book] "CSJカレントレビュー11未来を拓く元素戦略-持続可能な社会を実現する化学",[編著者]公益社団法人日本化学会,PartII研究最前線, 21章産業分野にかかわる貴金属・レアメメタルなどのリサイクル技術 (2013)
  • Author(s): 野瀬勝弘,岡部徹
  • Total Pages: 158-164 (全216頁)
  • Publisher: 株式会社化学同人,東京(ISBN : 9784759813715)
• [Book] "レアメタルの最新動向",[監修]岡部徹,野瀬勝弘,第4章レアメタルの資源の現状と中長期展望, (岡部徹,野瀬勝弘),第9章貴金属, 4白金族金属の乾式製錬とリサイクル (2012)
  • Author(s): 岡部徹,野瀬勝弘
  • Total Pages: 28-41, 95-207, 304-315 (全316頁)
  • Publisher: 株式会社シーエムシー出版,東京(ISBN : 9784781306216)